Topic 1 of 19
Hardware and communicationFree
What the specification covers
Unit 1 (AS)Fundamentals of Computer Science
- Von Neumann architecture
- Fetch–execute cycle and registers
- Choosing input, output and storage devices
- Network protocols and handshaking
- The internet as global infrastructure
Unit 4 (A2)Computer Architecture, Data, Communication and Applications
- Limits of parallel processing
- Calculating gains from parallelisation
- How assembly language programs run
- Wireless connections for portable devices
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NotesClear notes for each point in the specification, with worked examples.18 sections →FlashcardsKey terms to learn. Sort them into ones you know and ones to practise.45 cards →QuizAuto-marked questions with an explanation after each answer.37 questions →PracticeEndless fresh questions with the full working shown. Build a streak.5 skills →